Uniquely formulated to penetrate and deep clean stains from Algae, Mold and Mildew restoring that clean, new appearanceyou once had. Safe to use around your yard, plants and lawn. Also use for cleaning those smaller jobs like patio furniture, mailboxes, awnings, garden ornaments and more. Works to clean grungy and slippery surfaces from outdoors. Just spray on and hose off. No need for pressure washing.